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Study On The Suitability Of Bio-energy And Solar Energy For Absorption Refrigeration Sysytem

Posted on:2011-09-23Degree:DoctorType:Dissertation
Country:ChinaCandidate:H T ZhouFull Text:PDF
GTID:1223330368987607Subject:Agricultural Biological Environmental and Energy Engineering
Abstract/Summary:PDF Full Text Request
Abstract: this paper supported by natural science research program guide of education department of Henan province 2009 (NO.2009B480001).Energy supply can not meet the requirements of Human. Oil and coal ratio of exploitation and reserve is 41/147 in 2006. China’s energy consumption ranks second in the world. Large amount of oil imports and less oil and more coal is the objective reality. Energy conservation is that people need ways to deal with the greenhouse effect. Renewable energy, clean energy and new energy is the main source of energy used by people in the future. We need a lot of scientific research in new energy technologies.Main researches of the paper are as following:(1)Research Projects optimal Design of Absorption refrigerator LiBr from the thermodynamic calculation and the actual design. Performance to meet the experimental needs (η=0.6).(2)We calculate solar collectors and test the efficiency of solar collectors. Performance to meet the experimental needs (η=0.6).(3)We simplify the complex absorption refrigeration system of LiBr. Pilot project focus on the refrigeration system and the matching relation between the heat sources systems based on the simulation technology.(4)Research Projects Establishment of the boiler system, cooling system, solar collector model on the simulation technology and optimize the boiler model to improve the simulation efficiency.(5)Paper established a mathematical model of economic and technical analysis for the refrigeration system.Main researches Conclusions of the paper are as following: (1) Efficiency is very obvious change with changing the inlet temperature of the solar collector and refrigerator. Solar collectors and refrigeration units and reducing efficiency when Inlet temperature high-rise. Refrigeration unit exports first connect the solar collectors and biomass boilers connected is the optimal solution under the condition in series dual heat source system.(2) Index K increases will help improve boiler improve efficiency; index K decreases will help improve the efficiency of the collector. Index K is more appropriate to maintain 0.5-0.6 under parallel state.(3) Boiler with high efficiency under Series state. Solar collectors with high efficiency under parallel state.(4)Circulating water flow rate increases will help improve the efficiency of refrigeration system.(5)System has the maximum value of thermal economy and refrigeration coefficient. Experiment proved only the loss of Reduce the number of refrigeration coefficient in exchange for High economic.
Keywords/Search Tags:Bio-energy, solar energy, Suitability, Dynamic process, Absorption refrigeration
PDF Full Text Request
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